+ exec nova-scheduler --config-file /etc/nova/nova.conf
Modules with known eventlet monkey patching issues were imported prior to eventlet monkey patching: urllib3. This warning can usually be ignored if the caller is only importing and not executing nova code.
/var/lib/openstack/lib/python3.10/site-packages/nova/virt/__init__.py:18: UserWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html. The pkg_resources package is slated for removal as early as 2025-11-30. Refrain from using this package or pin to Setuptools<81.
  __import__('pkg_resources').declare_namespace(__name__)
2026-04-27 21:31:07.023 1 INFO oslo_service.service [None req-9a8abc6f-f1f8-4959-82d8-47ed97997139 - - - - - -] Starting 2 workers
2026-04-27 21:31:07.033 7 INFO nova.service [-] Starting scheduler node (version 28.3.1)
2026-04-27 21:31:07.035 8 INFO nova.service [-] Starting scheduler node (version 28.3.1)
2026-04-27 21:31:07.042 1 WARNING oslo_config.cfg [None req-9a8abc6f-f1f8-4959-82d8-47ed97997139 - - - - - -] Deprecated: Option "api_servers" from group "glance" is deprecated for removal (
Support for image service configuration via standard keystoneauth1 Adapter
options was added in the 17.0.0 Queens release. The api_servers option was
retained temporarily to allow consumers time to cut over to a real load
balancing solution.
).  Its value may be silently ignored in the future.
2026-04-27 21:36:26.186 7 WARNING nova.scheduler.manager [None req-d9d6cbf4-c3a9-4e82-b376-db389516ae2c - - - - - -] This periodic task should only be enabled on a single scheduler to prevent collisions between multiple schedulers: Host 'instance' mapping already exists: nova.exception.HostMappingExists: Host 'instance' mapping already exists
2026-04-27 21:36:26.197 8 INFO nova.scheduler.manager [None req-b21f73a8-8150-4320-9ee5-3e5ac10df1ef - - - - - -] Discovered 1 new hosts: cell1:instance
2026-04-27 21:37:55.237 7 INFO nova.scheduler.host_manager [None req-dce57382-767c-4348-b46e-b16ae3959f8c - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList.
2026-04-27 21:37:55.237 8 INFO nova.scheduler.host_manager [None req-dce57382-767c-4348-b46e-b16ae3959f8c - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList.
2026-04-27 22:06:29.430 7 INFO nova.scheduler.host_manager [None req-c262159c-40d0-4857-85f8-f02543ef101a - - - - - -] The instance sync for host 'instance' did not match. Re-created its InstanceList.
2026-04-27 22:06:29.432 8 INFO nova.scheduler.host_manager [None req-c262159c-40d0-4857-85f8-f02543ef101a - - - - - -] The instance sync for host 'instance' did not match. Re-created its InstanceList.
2026-04-27 22:10:37.426 8 INFO nova.scheduler.host_manager [None req-d5eabbac-c08c-4b4c-b17c-1d60c096c275 - - - - - -] The instance sync for host 'instance' did not match. Re-created its InstanceList.
2026-04-27 22:10:37.431 7 INFO nova.scheduler.host_manager [None req-d5eabbac-c08c-4b4c-b17c-1d60c096c275 - - - - - -] The instance sync for host 'instance' did not match. Re-created its InstanceList.